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International air traffic is down 92 percent this year, with many travelers worried about getting COVID-19. There are also government quarantine(隔离) rules that make planning difficult. What will it take to get people flying again? Airline companies believe that quick virus tests of all passengers before takeoff could be the answer.

Experiments on improving safety are taking place around the world. A United Nations organization is leading talks to set new rules. And all of this is important: As the virus is spreading more widely, the international travel nearly stops completely, which is very harmful for the business activity. Millions of jobs are at risk, including those at airlines, airports and businesses like hotels and restaurants.

Why do we pay attention to testing? One reason why people worry about taking long flights is that they fear they will sit next to someone with COVID-19. Flying helped carry the virus around the world after it first appeared in 2019. However, airplanes themselves were not super-spreaders like large business meetings.

Also, most people do not want to fly to a place with quarantine rules that prevent their movements after arrival. Quarantines are not always useful because they are often not strongly performed. Testing all passengers will give people back their freedom to travel with confidence. And that will put millions of people back to work.

How would testing work? Because newer tests can give results in less than an hour, trials are looking at testing passengers before they leave on a plane. Test results could be received through a smartphone app.

1.How do Airline companies plan to make people fly again?

A To make quarantine rules less.

B To cut off the price of flights.

C To give medicine to all passengers.

D To test the virus quickly before takeoff.

解析：选D。细节理解题。根据文章第一段Airline companies believe that quick virus tests of all passengers before takeoff could be the answer.可知，航空公司认为在起飞前对所有的乘客进行快速检测可能是答案，故选D。

2.What’s the main idea of Paragraph 2?

A It’s very important to keep international travel safe.

B The experiments on safety of students should be improved.

C The virus of COVID-19 is spreading more and more widely.

D Millions of people at airlines and airports hotels may lose jobs.

解析：选A。主旨大意题。这一段主要论述了保持国际旅行安全的重要性，故选A。

3.What is the super-spreader of COVID-19 virus?

A Hotels.

B Restaurants.

C Airplanes.

D Large business meetings.

解析：选D。细节理解题。根据文章第三段However, airplanes themselves were not super-spreaders like large business meetings .可知大型商业会议是超级传播者，故选D。

4.What can we know about the new testing?

A Testing all passengers will take too long.

B Testing can offer millions of people jobs.

C We can receive test results through a smartphone app.

D Newer tests will give results in more than an hour.

解析：选C。细节理解题。根据文章最后一段最后一句Tests results could be received through a smartphone app. 可知检测结果可以在智能手机的软件上收到，故选C。